Catalogue Ingermanland
Daniel F. Kelleher Auctions, LLC Sale - 713 Page 17
Finland 1920, Pohjois-Inkeri, North Ingermanland, MNH | eBay
Catalogue Ingermanland
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Militaria - ULTRA RARE 5M INKERI POHJOIS ERROR NO COLOR IMPERF BLOCK 4 STAMP TIMBRE FINLAND RUSSIAN CIVIL WAR 1920
Nordingermanland (Pohjois inkeri) Stamp Auctions
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Postage stamps and postal history of North Ingria - Wikipedia
1920 NORTH INGERMANLAND 50 p UNUSED STAMP #10 PLOUGHING | eBay
A Dead Country's Contribution to Philately: The Stamps of North Ingria – Andrew Andersen
Stamp Identifier: North Ingermanland
Big Blue 1840-1940: North Ingermanland & Forgeries
Nordingermanland (Pohjois inkeri) Stamp Auctions
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File:Pohjois-Inkeri 25p.JPG - Wikimedia Commons
1920 Pohjois-Inkerin Finland Ingria Republic Mint NG Imperf Stamp 1M Planting | eBay
Finland 1920, Pohjois-Inkeri, North Ingermanland, MNH | eBay
